44 Healpix PPTs View free & download

Healpix for Science Tools PowerPoint PPT Presentation

Healpix for Science Tools - begin() and end() methods: return iterator that evaluate to pixels. ... MapParameters par(argc, argv);// defines image parameters ...

begin() and end() methods: return iterator that evaluate to pixels. ... MapParameters par(argc, argv);// defines image parameters ...

| PowerPoint PPT presentation | free to view

Gestione automatica della pixelizzazione del cielo per DB MySQL: HEALPix e HTM PowerPoint PPT Presentation

Gestione automatica della pixelizzazione del cielo per DB MySQL: HEALPix e HTM - Title: Gestione automatica della pixelizzazione del cielo per DB MySQL: HEALPix e HTM Author: Luciano Nicastro Description: Introducing developments and alternatives ...

Title: Gestione automatica della pixelizzazione del cielo per DB MySQL: HEALPix e HTM Author: Luciano Nicastro Description: Introducing developments and alternatives ...

| PowerPoint PPT presentation | free to download

The UW System for Point Source Detection and Localization DC2 Experience PowerPoint PPT Presentation

The UW System for Point Source Detection and Localization DC2 Experience - (energy, ra, dec) Pixels (HEALpix index, level, count) Source Candidates (ra, dec, TS, error radius) Select time interval, recon quality, etc. Unique to the UW system ...

(energy, ra, dec) Pixels (HEALpix index, level, count) Source Candidates (ra, dec, TS, error radius) Select time interval, recon quality, etc. Unique to the UW system ...

| PowerPoint PPT presentation | free to view

Wavelets, ridgelets, curvelets on the sphere PowerPoint PPT Presentation

Wavelets, ridgelets, curvelets on the sphere - ... Earth's surface with POLDER. http://polder.cnes.fr. Introduction - Motivations ... imaging the Earth's surface with POLDER - mapping CMB fluctuations with WMAP ...

... Earth's surface with POLDER. http://polder.cnes.fr. Introduction - Motivations ... imaging the Earth's surface with POLDER - mapping CMB fluctuations with WMAP ...

| PowerPoint PPT presentation | free to download

Pixelization of the GLAST Sky PowerPoint PPT Presentation

Pixelization of the GLAST Sky - Catalog Meeting 1/5/05 - T. Burnett. 1. Pixelization ... Not equal area, or boundaries, or poles ... MapParameters par(argc, argv);// defines image parameters ...

Catalog Meeting 1/5/05 - T. Burnett. 1. Pixelization ... Not equal area, or boundaries, or poles ... MapParameters par(argc, argv);// defines image parameters ...

| PowerPoint PPT presentation | free to view

GDC 2005 - GDC 2005

GDC 2005

| PowerPoint PPT presentation | free to view

Chinese Virtual Observatory PowerPoint PPT Presentation

Chinese Virtual Observatory - Title: PowerPoint Presentation Author: Krista Wildt Last modified by: tianwu Created Date: 8/8/2003 5:14:50 PM Document presentation format:

Title: PowerPoint Presentation Author: Krista Wildt Last modified by: tianwu Created Date: 8/8/2003 5:14:50 PM Document presentation format:

| PowerPoint PPT presentation | free to download

Introduction to Sky Survey Problems PowerPoint PPT Presentation

Introduction to Sky Survey Problems - Title: Sky Survey Database Design eSI Apr 03 - Presentation Author: Bob Mann Last modified by: andrewsm Created Date: 1/1/1601 12:00:00 AM Document presentation format

Title: Sky Survey Database Design eSI Apr 03 - Presentation Author: Bob Mann Last modified by: andrewsm Created Date: 1/1/1601 12:00:00 AM Document presentation format

| PowerPoint PPT presentation | free to view

Point Source Detection and Localization PowerPoint PPT Presentation

Point Source Detection and Localization - Fill structure with pixels in a sparse structure sorted by position. ... Select pixels from the cone only ... Define log likelihood as weighted sum over pixels. ...

Fill structure with pixels in a sparse structure sorted by position. ... Select pixels from the cone only ... Define log likelihood as weighted sum over pixels. ...

| PowerPoint PPT presentation | free to view

Healpixels and Wavelets PowerPoint PPT Presentation

Healpixels and Wavelets - ... the pixelized photon data base. Assign width corresponding to average photon energy in the ... Select candidates based on multiple photons in high-level pixels ...

... the pixelized photon data base. Assign width corresponding to average photon energy in the ... Select candidates based on multiple photons in high-level pixels ...

| PowerPoint PPT presentation | free to view

Making the Sky Searchable: Fast Geometric Hashing for Automated Astrometry PowerPoint PPT Presentation

Making the Sky Searchable: Fast Geometric Hashing for Automated Astrometry - Bad news: ... We define a set of 'features' for any particular view of the sky (image) ... USNO-B is an all-sky catalogue compiled from scans of old Schmidt plates. ...

Bad news: ... We define a set of 'features' for any particular view of the sky (image) ... USNO-B is an all-sky catalogue compiled from scans of old Schmidt plates. ...

| PowerPoint PPT presentation | free to download

WG7.4: Modelling the Galactic Magnetic Field PowerPoint PPT Presentation

WG7.4: Modelling the Galactic Magnetic Field - WG7.4: Modelling the Galactic Magnetic Field. Paddy Leahy (for Althea Wilkinson and Tony Banday) ... Paddy Leahy. Roberta Paladini. Luca Valenziano. Andre ...

WG7.4: Modelling the Galactic Magnetic Field. Paddy Leahy (for Althea Wilkinson and Tony Banday) ... Paddy Leahy. Roberta Paladini. Luca Valenziano. Andre ...

| PowerPoint PPT presentation | free to download

IBEXLo Star Sensor Software PowerPoint PPT Presentation

IBEXLo Star Sensor Software - IBEX-Lo Star Sensor Software. Maciej Bzowski, Marek Hlond ... Extraction tool to prepare a subset of star catalog with stars brighter than selected magnitude ...

IBEX-Lo Star Sensor Software. Maciej Bzowski, Marek Hlond ... Extraction tool to prepare a subset of star catalog with stars brighter than selected magnitude ...

| PowerPoint PPT presentation | free to view

Presentaci - Anna Cabre, Enrique Gazta aga, Pablo Fosalba, Marc Manera, Francisco Castander. astro-ph/0603690 ... ISW is the gravitational redshift that photons coming from ...

Anna Cabre, Enrique Gazta aga, Pablo Fosalba, Marc Manera, Francisco Castander. astro-ph/0603690 ... ISW is the gravitational redshift that photons coming from ...

| PowerPoint PPT presentation | free to download

Giorgio Calderone PowerPoint PPT Presentation

Giorgio Calderone - Software per database a supporto di progetti di ricerca astronomici: MCS, MyRO, DIF Giorgio Calderone Bologna, 14/12/2006 Software a supporto dei progetti di ricerca ...

Software per database a supporto di progetti di ricerca astronomici: MCS, MyRO, DIF Giorgio Calderone Bologna, 14/12/2006 Software a supporto dei progetti di ricerca ...

| PowerPoint PPT presentation | free to download

Efficient Nearest Neighbor Searching for Motion Planning PowerPoint PPT Presentation

Efficient Nearest Neighbor Searching for Motion Planning - Title: Efficient Nearest Neighbor Searching for Motion Planning Author: 1 Last modified by: X Created Date: 5/6/2002 12:35:59 AM Document presentation format

Title: Efficient Nearest Neighbor Searching for Motion Planning Author: 1 Last modified by: X Created Date: 5/6/2002 12:35:59 AM Document presentation format

| PowerPoint PPT presentation | free to download

Spatial Indexing PowerPoint PPT Presentation

Spatial Indexing - ... Mesh invented at Johns Hopkins University now used by several projects. ... Possible do-it-yourself approach: split table into separate DBMS instances ...

... Mesh invented at Johns Hopkins University now used by several projects. ... Possible do-it-yourself approach: split table into separate DBMS instances ...

| PowerPoint PPT presentation | free to view

Observations of the isotropic diffuse gamma-ray emission with the Fermi Large Area Telescope PowerPoint PPT Presentation

Observations of the isotropic diffuse gamma-ray emission with the Fermi Large Area Telescope - Residual CR produce unstructured, quasi-isotropic background (after sufficient observation time) ... Improved agreement between simulation and data from ...

Residual CR produce unstructured, quasi-isotropic background (after sufficient observation time) ... Improved agreement between simulation and data from ...

| PowerPoint PPT presentation | free to download

The Planck Satellite Mission PowerPoint PPT Presentation

The Planck Satellite Mission - The Planck Satellite Mission ... Constrainning Cosmology in the Planck Era From Planck-HFI page From Planck-HFI page SPOrt is an Astrophysical Project aimed at ...

The Planck Satellite Mission ... Constrainning Cosmology in the Planck Era From Planck-HFI page From Planck-HFI page SPOrt is an Astrophysical Project aimed at ...

| PowerPoint PPT presentation | free to download

April 12 13, 2006 PowerPoint PPT Presentation

April 12 13, 2006 - Some missions have instruments in multiple wavebands. ... SkyView in a Jar. demo. Plans. April 12 - 13, 2006. HEASARC Users Group. Tom McGlynn ...

Some missions have instruments in multiple wavebands. ... SkyView in a Jar. demo. Plans. April 12 - 13, 2006. HEASARC Users Group. Tom McGlynn ...

| PowerPoint PPT presentation | free to download

Planck and Superclusters PowerPoint PPT Presentation

Planck and Superclusters - At z 2 all baryons are found in the Lya forest, but about 45% of the baryons z 2 ... Absorption lines in X-ray and UV quasar spectra ...

At z 2 all baryons are found in the Lya forest, but about 45% of the baryons z 2 ... Absorption lines in X-ray and UV quasar spectra ...

| PowerPoint PPT presentation | free to view

Making the Sky Searchable: Fast Geometric Hashing for Automated Astrometry - roweis@cs.toronto.edu. Making the Sky Searchable: ... University of Toronto. David Hogg & Michael Blanton. New York University. http://astrometry.net ...

roweis@cs.toronto.edu. Making the Sky Searchable: ... University of Toronto. David Hogg & Michael Blanton. New York University. http://astrometry.net ...

| PowerPoint PPT presentation | free to view

Making the Sky Searchable: Solving the Blind Astrometry Problem PowerPoint PPT Presentation

Making the Sky Searchable: Solving the Blind Astrometry Problem - Bad news: ... Each feature generates a list of places on the sky from which the test image may have come. ... B is an all-sky catalogue compiled from scans of ...

Bad news: ... Each feature generates a list of places on the sky from which the test image may have come. ... B is an all-sky catalogue compiled from scans of ...

| PowerPoint PPT presentation | free to view

FITS Birds of a Feather Session PowerPoint PPT Presentation

FITS Birds of a Feather Session - Registry of FITS Conventions. WCS standards for Distortions and Time. New FITS Standard Document ... ESO HIERARCH keyword (under review) More conventions to be added ...

Registry of FITS Conventions. WCS standards for Distortions and Time. New FITS Standard Document ... ESO HIERARCH keyword (under review) More conventions to be added ...

| PowerPoint PPT presentation | free to view

Detecting Gamma-Ray Bursts in the DC1 Data PowerPoint PPT Presentation

Detecting Gamma-Ray Bursts in the DC1 Data - GLAST Science Support Center. February 12, 2004 ... Here: Method applied to DC1 data, therefore applicable to ground ... use t=1, 2, 4, 8, and 16 s applied ...

GLAST Science Support Center. February 12, 2004 ... Here: Method applied to DC1 data, therefore applicable to ground ... use t=1, 2, 4, 8, and 16 s applied ...

| PowerPoint PPT presentation | free to download

DatabasesMPA, access methods and plans PowerPoint PPT Presentation

DatabasesMPA, access methods and plans - Guinevere Kauffmann, Anja von der Linden, Ben Panter, Guo Qi, Volker Springel, Vivienne Wild ... Galaxies added: merger trees, links to their parent halos ...

Guinevere Kauffmann, Anja von der Linden, Ben Panter, Guo Qi, Volker Springel, Vivienne Wild ... Galaxies added: merger trees, links to their parent halos ...

| PowerPoint PPT presentation | free to view

Is There Anything Comparable to Spherical Harmonics But Simpler - Is There Anything Comparable to Spherical Harmonics But Simpler

Is There Anything Comparable to Spherical Harmonics But Simpler

| PowerPoint PPT presentation | free to view

Simulating Gravitational Lensing of the CMB PowerPoint PPT Presentation

Simulating Gravitational Lensing of the CMB - Simulating Gravitational Lensing of the CMB. Sudeep Das. with ... The Need to Interpolate. Rays will end up off-centered on subsequent slices and on the CMB. ...

Simulating Gravitational Lensing of the CMB. Sudeep Das. with ... The Need to Interpolate. Rays will end up off-centered on subsequent slices and on the CMB. ...

| PowerPoint PPT presentation | free to view

AstroGrid Datacenters PowerPoint PPT Presentation

AstroGrid Datacenters - Able to proxy; 3rd parties can publish data without requiring more work from ... email/file/ftp/myspace. AstroGrid. CEA. SkyNode. JSP. Publishers' AstroGrid Library ...

Able to proxy; 3rd parties can publish data without requiring more work from ... email/file/ftp/myspace. AstroGrid. CEA. SkyNode. JSP. Publishers' AstroGrid Library ...

| PowerPoint PPT presentation | free to view

Making the Sky Searchable: Automatically Organizing the Worlds Astronomical Data - Making the Sky Searchable: Automatically Organizing the Worlds Astronomical Data

Making the Sky Searchable: Automatically Organizing the Worlds Astronomical Data

| PowerPoint PPT presentation | free to view

Dark energy and the CMB PowerPoint PPT Presentation

Dark energy and the CMB - Naively, dark energy is a late universe effect, while the CMB primarily probes ... one induced at low redshifts by a late time transition in the total equation ...

Naively, dark energy is a late universe effect, while the CMB primarily probes ... one induced at low redshifts by a late time transition in the total equation ...

| PowerPoint PPT presentation | free to download

Cross-correlation of CMB PowerPoint PPT Presentation

Cross-correlation of CMB - Lobo, astro-ph/0303526 & 0307034) Weakly non-linear Perturbations: Solved problem! ... Lobo, astro-ph/0303526 & 0307034) d = dL n2 dL2 ...

Lobo, astro-ph/0303526 & 0307034) Weakly non-linear Perturbations: Solved problem! ... Lobo, astro-ph/0303526 & 0307034) d = dL n2 dL2 ...

| PowerPoint PPT presentation | free to download

Exploring Tabular Datasets PowerPoint PPT Presentation

Exploring Tabular Datasets - Raw data formats depend on the waveband. Radio complex visibilities in u-v plane ... Lots of new facilities: XMM-Newton, Chandra, INTEGRAL, eMERLIN, GAIA, ALMA, ...

Raw data formats depend on the waveband. Radio complex visibilities in u-v plane ... Lots of new facilities: XMM-Newton, Chandra, INTEGRAL, eMERLIN, GAIA, ALMA, ...

| PowerPoint PPT presentation | free to view

Cosmological simulations in a relational database: modelling and storing merger trees PowerPoint PPT Presentation

Cosmological simulations in a relational database: modelling and storing merger trees - The history is embodied in the merger trees of both halos and galaxies. ... Return B-band luminosity function of galaxies residing in halos of mass between ...

The history is embodied in the merger trees of both halos and galaxies. ... Return B-band luminosity function of galaxies residing in halos of mass between ...

| PowerPoint PPT presentation | free to download

Data Explosion: Science with Terabytes - Data Explosion: Science with Terabytes

Data Explosion: Science with Terabytes

| PowerPoint PPT presentation | free to download

Indexing a Sphere PowerPoint PPT Presentation

Indexing a Sphere - Acts as a new 'spatial access method' Ported to Yukon CLR for a 3x speedup. ... The geoid is not a sphere! A trick: do everything in 3-space with planes ...

Acts as a new 'spatial access method' Ported to Yukon CLR for a 3x speedup. ... The geoid is not a sphere! A trick: do everything in 3-space with planes ...

| PowerPoint PPT presentation | free to download

Support range of physical units and layouts. Radians, degre PowerPoint PPT Presentation

Support range of physical units and layouts. Radians, degre - Support range of physical units and layouts. Radians, degrees, HMS/DMS, etc. ... Integration with VO for authentication, MySPACE, etc. ...

Support range of physical units and layouts. Radians, degrees, HMS/DMS, etc. ... Integration with VO for authentication, MySPACE, etc. ...

| PowerPoint PPT presentation | free to view

Dust and Gravitational Waves PowerPoint PPT Presentation

Dust and Gravitational Waves - Amplitude gotten from comparison of FDS Dust in Bicep region and WMAP region ... Dust physics: interesting in its own right and useful to inform BICEP II. ...

Amplitude gotten from comparison of FDS Dust in Bicep region and WMAP region ... Dust physics: interesting in its own right and useful to inform BICEP II. ...

| PowerPoint PPT presentation | free to view

Comparisons of Searches for Sources in the DC2 Data PowerPoint PPT Presentation

Comparisons of Searches for Sources in the DC2 Data - Brief introduction to the source lists and some comparisons are in the following ... Preliminary, and using the crude source correspondence definition R = 1 ...

Brief introduction to the source lists and some comparisons are in the following ... Preliminary, and using the crude source correspondence definition R = 1 ...

| PowerPoint PPT presentation | free to download

Space Science Archives at NASA PowerPoint PPT Presentation

Space Science Archives at NASA - In the mid 1980's NASA tried to develop the Astronomical Data System (ADS) ... 1990 NASA started the HEASARC with a more limited view of systematically ...

In the mid 1980's NASA tried to develop the Astronomical Data System (ADS) ... 1990 NASA started the HEASARC with a more limited view of systematically ...

| PowerPoint PPT presentation | free to view

DC2 Data Products Overview PowerPoint PPT Presentation

DC2 Data Products Overview - ... released today for DC2 analyses; Jean Ballet and David Landriu are producing it ... for 25 years in astronomy; Wells, Greisen, & Harten (1981, A&AS, 44, 363) ...

... released today for DC2 analyses; Jean Ballet and David Landriu are producing it ... for 25 years in astronomy; Wells, Greisen, & Harten (1981, A&AS, 44, 363) ...

| PowerPoint PPT presentation | free to download

afea 1 - Intermediate fluxes form stars with total mass about 30% of the initial mass of the clumps. ... We examined clumps of various masses and fluxes of various intensities. ...

Intermediate fluxes form stars with total mass about 30% of the initial mass of the clumps. ... We examined clumps of various masses and fluxes of various intensities. ...

| PowerPoint PPT presentation | free to view

Diapositiva 1 PowerPoint PPT Presentation

Diapositiva 1 - but untill then we have to work with the best all-sky available data, WMAP. ... M. L pez-Caniego Cavendish Laboratory University of Cambridge ...

but untill then we have to work with the best all-sky available data, WMAP. ... M. L pez-Caniego Cavendish Laboratory University of Cambridge ...

| PowerPoint PPT presentation | free to view

Polarisation Maps from HFI 217 GHz Data Using POLAR Destriper PowerPoint PPT Presentation

Polarisation Maps from HFI 217 GHz Data Using POLAR Destriper - ... 512) 10 deg x 10 deg Patches from the Vicinity of the South Ecliptic Pole ... was precessing with respect to the ecliptic plane (cycloidal motion with 6 month ...

... 512) 10 deg x 10 deg Patches from the Vicinity of the South Ecliptic Pole ... was precessing with respect to the ecliptic plane (cycloidal motion with 6 month ...

| PowerPoint PPT presentation | free to view

Healpix PowerPoint PPT Presentations